Table 2.

Morbidity and short-term outcomes after surgery.

Variable		Overall		Non screen detected		Screen detected		p-value°
		N	%	N	%	N	%
Patients with any complication		369	27.1	263	29.4	106	22.8	0.01
Complications according to Clavien-Dindo Classification	0	290	44.0	169	39.1	121	53.3	0.0005
	1–2	308	46.7	220	50.9	88	38.8	0.0029
	3–5	61	9.3	43	10.0	18	7.9	0.02
Complication type	Patients with at least 1 surgical complication	250	18.4	185	20.6	65	14.0	0.0027
	Patients with at least 1 medical complication	121	8.9	82	9.2	39	8.4	0.65
Surgical complications	Anastomotic leak/dehiscence	77	5.7	49	5.5	28	6.0	0.67
	Prolonged ileus/Small Bowel Obstruction	25	1.8	19	2.1	6	1.3	0.28
	Surgical site infection	63	4.6	43	4.8	20	4.3	0.68
	Bleeding	111	8.2	93	10.4	18	3.9	<0.0001
	Other	4	0.3	3	0.3	1	0.2	0.70
Medical complications	Renal/urinary	13	1.0	9	1.0	4	0.9	0.80
	Respiratory	17	1.3	11	1.2	6	1.3	0.92
	Cardiovascular	7	0.5	6	0.7	1	0.2	0.27
	Cerebrovascular	7	0.5	7	0.8	0	0.0	0.056
	Other	91	6.7	63	7.0	28	6.0	0.49
Lenght of hospital stay in days (median)		9		10		9		<0.0001*
In-hospital mortality		3	0.2	3	0.3	0	0.0	<0.0001
30 days mortality		3	0.2	2	0.2	1	0.2	0.97

°χ2 test was used.

*Mann-Whitney test.